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551
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552
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553
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554
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555
Effects of bud population and age of clipping of the mother shoot upon the yield of two varieties of sugar cane [microform]
Published 1977Visual Material -
556
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557
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558
Weight and backfat thickness adjustment factors in growing pigs [microform]
Published 1977Visual Material -
559
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560
The effect of high and low plane of nutrition on the reproductive performance of sows [microform]
Published 1977Visual Material